New Zealand Rheumatic Fever FHIR Implementation Guide
1.0.0 - draft

New Zealand Rheumatic Fever FHIR Implementation Guide - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Extension: Frequency of rheumatic fever medication

Official URL: https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-medicationrequest-medicationfrequency Version: 1.0.0
Draft as of 2025-08-25 Computable Name: RfMedicationRequestFrequencyExtension

Frequency of rheumatic fever medication to be set when medication is planned for an RF patient

Context of Use

    This extension may be used on the following element(s)

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Frequency of rheumatic fever medication
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-medicationrequest-medicationfrequency"
... value[x] 0..1 Coding Value of extension
Binding: Rheumatic fever planned medication frequency codes (required)

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Frequency of rheumatic fever medication
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-medicationrequest-medicationfrequency"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Coding: Frequency of rheumatic fever medication to be set when medication is planned for an RF patient

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Frequency of rheumatic fever medication
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-medicationrequest-medicationfrequency"
... value[x] 0..1 Coding Value of extension
Binding: Rheumatic fever planned medication frequency codes (required)

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Frequency of rheumatic fever medication
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-medicationrequest-medicationfrequency"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Coding: Frequency of rheumatic fever medication to be set when medication is planned for an RF patient

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSetURI
Extension.value[x]requiredRFMedicationRequestMedicationFrequencyValueSet
https://fhir-ig.digital.health.nz/rheumatic-fever/ValueSet/rf-medicationrequest-frequency-code
From this IG

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()